Added support for Streamdeck Pedal and updated UI to better fit the Packed UI style

pirp/composer.json

@@ -0,0 +1,13 @@
+{
+    "name": "pirp/packed-internes-rechnungsprogramm",
+    "description": "Einfaches internes Rechnungsprogramm (PIRP)",
+    "type": "project",
+    "require": {
+        "dompdf/dompdf": "^2.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "": "src/"
+        }
+    }
+}